Cutting Concrete Slab For Electrical Conduit

If you have installed any electrical conduit which does not require a pressure test tape the opening to the conduit closed with duct tape to prevent concrete from falling in.

Cutting concrete slab for electrical conduit.

In this video we are cutting concrete with a circular saw aka skil saw. Instead finish the cut with a utility knife. Use a chisel and hammer to remove the three scrap pieces. Save the piece for later.

Ridged nonmetallic pvc conduit is the right material for this job because it is watertight inexpensive and easy to work with. Installing conduit under or in concrete slabs protects the wires from the weight and corrosion of the cement. Set the diamond blade on the concrete wet saw to a depth of 4 1 2 inches and cut along both chalk lines. Next cut out the exposed strip of plywood or osb that covers the slab but don t go all the way through.

Make a second cut inch away and parallel to the first. It also allows future expansion of the electrical system by pulling additional wires through the conduit.